Power source: Rechargeable. -Detectable types: Silver (Silver) Gold (Gold) GEM (Jade Gemstone) Diam (Diamond) - Controller: Automatic rotary search - Operating Temperature: 0 - 40 degrees Celsius/ 32 - 104 degrees Celsius - Audio System: Visual and Audible - Detection range: 1000 meters - Measuring depth: Detection depth 25 meters Weight approx. 1kg Voltage: 12V Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 641 hours Hope you have a pleasant shopping experience!